Home / 11,805.35-17,712.12-5,236.16

Finding the Fourth Proportional to 11,805.35, 17,712.12 and 5,236.16

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Solution

The fourth proportional to 11,805.35, 17,712.12 and 5,236.16 is: 7,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.35 : 17,712.12 = 5,236.16 : x
  2. Step 2: Convert to fraction form
    11,805.35/17,712.12 = 5,236.16/x
  3. Step 3: Cross multiply
    11,805.35x = 17,712.12 × 5,236.16
  4. Step 4: Simplify right side
    11,805.35x = 92,743,405.70
  5. Step 5: Solve for x
    x = 92,743,405.70/11,805.35
  6. Step 6: Final answer
    x = 7,856.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.